The Karez well system _______.a.was the first known use of wellsb.was a postindustrial systemc.transported groundwater from a distanced.all of the above
The use of wells to obtain drinking water is a modern convenience.
In the preindustrial era, settlements were more likely to be near sources of surface water than in the industrial era.
Why has groundwater use increased?a.the total amount of freshwater has decreasedb.more of the available freshwater is stored in glaciers and icecapsc.governments have banned the use of freshwater in rivers and springsd.the demand for freshwater has increased due to population growth
Which of the following can lead to groundwater shortages? a. pollution b. use exceeding the rate of replenishment c. lack of precipitation d. all of the above Please select the best answer from the choices provided
How does groundwater become polluted?a.Pollutants mixed with water pass through permeable layers above the aquifer.b.Factories dump their waste directly into aquifers.c.Refuse infiltrates the water table when garbage is dumped.d.All of the above
What is a possible long-term consequence of groundwater overdraft?a.increased vegetationb.unproductive wellsc.polluted groundwaterd.higher water tables
The location of the water table is subject to change.
Why is groundwater an important source of freshwater storage?a.It constitutes approximately 30% of Earth’s freshwater.b.It is the only viable source of freshwater in some areas.c.It is available in conditions of drought.d.All of the above
Which of the following factors does not influence the level of the water table?a.pumpingb.time of yearc.pollutiond.none of the above
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